KR920020425A - 광디스크 장치의 광 픽업 - Google Patents
광디스크 장치의 광 픽업 Download PDFInfo
- Publication number
- KR920020425A KR920020425A KR1019910006236A KR910006236A KR920020425A KR 920020425 A KR920020425 A KR 920020425A KR 1019910006236 A KR1019910006236 A KR 1019910006236A KR 910006236 A KR910006236 A KR 910006236A KR 920020425 A KR920020425 A KR 920020425A
- Authority
- KR
- South Korea
- Prior art keywords
- optical
- optical pickup
- pickup
- disk unit
- optical disk
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명의 광 픽업 구성도,
제4도는 본 발명의 대물렌즈 좌우 이동에 따른 출력신호 특성도.
Claims (1)
- 광 디스크 장치의 광 픽업에 있어서, 구동계내의 보빈(1)내에 직접 광학계(6)를 설치하여 종래 기술의 광학계와 구동계를 일체화하고, 집적 광학계(6)와 외부와의 신호 입력을 위한 중계 PCB를 보빈내에 설치하여 대물렌즈(2)의 이동에 따른 광축의 틀어짐을 방지하여 전체 광 픽업을 소형화한 것을 특징으로 하는 광 디스크 장치의 광 픽업.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019910006236A KR930009687B1 (ko) | 1991-04-19 | 1991-04-19 | 광자기 디스크의 광픽업장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019910006236A KR930009687B1 (ko) | 1991-04-19 | 1991-04-19 | 광자기 디스크의 광픽업장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920020425A true KR920020425A (ko) | 1992-11-21 |
| KR930009687B1 KR930009687B1 (ko) | 1993-10-08 |
Family
ID=19313431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910006236A KR930009687B1 (ko) | 1991-04-19 | 1991-04-19 | 광자기 디스크의 광픽업장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930009687B1 (ko) |
-
1991
- 1991-04-19 KR KR1019910006236A patent/KR930009687B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR930009687B1 (ko) | 1993-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 19970830 Year of fee payment: 12 |
|
| LAPS | Lapse due to unpaid annual fee |